Gen4 EPP foam core and EVA+TPE elastomer ring. Paddle Features and Technologies 4th Generation foam core technology featuring EPP foam core and EVA+TPE elastomer ring EPP foam is light weight to optimize power and pop EVA ring and TPE elastomer inserts enhance power and pop while improving stability and dampening vibration No more honeycomb, no more plastic, and no more core crush to worry about Light weight and low swingweight enable customization USAP PBCoR.43 Approved for sanctioned tournament play Paddle Specifications Paddle Length: 16.5'' Face Width: 7.5'' Grip Length: 5.5'' Grip Circumference: 4.20'' Octagon Weight: 7.8oz, +/- 0.2oz Swingweight: 108 Twistweight: 5.58 Paddle Surface: Raw Toray T700 Carbon Fiber Textured Paddle Shape: Elongated with curved top Core Material: EPP+EVA+TPE Elastomer Ring Core Thickness: 16mm Edge Guard: Yes 6 month warranty against manufacturing defects. Cover not included.